CONTROL SYSTEM FOR ELECTRICALLY DRIVEN SWITCHING DEVICES

PROBLEM TO BE SOLVED: To provide a control system for electrically driven switching devices capable of improving the reliability and offering a higher responding speed of the systems in communications. SOLUTION: An automatic control executing means 200 is provided for communication between a host sy...

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Bibliographische Detailangaben
Hauptverfasser: NOSAKU SHIGETAKA, TAKAHASHI MIKIO, FUKUDA TOSHIO, SUGIYAMA SHIZUO
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a control system for electrically driven switching devices capable of improving the reliability and offering a higher responding speed of the systems in communications. SOLUTION: An automatic control executing means 200 is provided for communication between a host system and a plurality of subordinate systems such as between a central controller 1 and a plurality of floor controllers 2, between a floor controller 2 and a plurality of controllers 3 for switching devices and/or between the central controller 1 and a plurality of controllers 3 for the switching devices. Said automatic control executing means 200 executes a scheduling sequence 203 for controlling the electrically driven switching devices in the host system and also a monitor sequence 201 for monitoring the subordinate devices; performs a data link terminating processing before starting an information transfer to the subordinate system; and executes a data link terminating processing after establishing the data link. For subordinate systems for which data links cannot be established, a processing of separating them from the control target is performed. A restoring processing for a subordinate system, for which a data link establishing becomes possible, is executed by a restoring sequence 202 before start of the scheduling sequence 203. COPYRIGHT: (C)2007,JPO&INPIT